 /*******************************************************************************
  * Copyright (c) 2006, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.core.databinding.observable;

 /**
  * Listener for staleness events. An observable object is stale if its state
  * will change eventually.
  *
  * @since 1.0
  */
 public interface IStaleListener extends IObservablesListener {

     /**
      * Handle the event that the given observable object is now stale. The given
      * event object must only be used locally in this method because it may be
      * reused for other change notifications.
      *
      * @param staleEvent
      */
     public void handleStale(StaleEvent staleEvent);

 }

